
Ancient Aliens
"Ancient Aliens" explores the theory that extraterrestrials have visited Earth. Could the ancient ruins of Sardinia, Italy hold clues to an extraterrestrial past?

"Ancient Aliens" explores the theory that extraterrestrials have visited Earth. Could the ancient ruins of Sardinia, Italy hold clues to an extraterrestrial past?

"Ancient Aliens" explores the theory that extraterrestrials have visited Earth. Was Egypt home to Earth's earliest extraterrestrial visitors?

"Ancient Aliens" explores the theory that extraterrestrials have visited Earth. Is it possible that our ancestors' "winged monsters" visitors from other worlds?

"Ancient Aliens" explores the theory that extraterrestrials have visited Earth. There are hidden messages that can be found within the works of Leonardo da Vinci.

"Ancient Aliens" explores the theory that extraterrestrials have visited Earth. Seven stone giants stand guard over a Pacific island.

"Ancient Aliens" explores the theory that extraterrestrials have visited Earth. Seven stone giants stand guard over a Pacific island.

"Ancient Aliens" explores the theory that extraterrestrials have visited Earth. A secret alliance hidden in plain sight. Joint space missions.

"Ancient Aliens" explores the theory that extraterrestrials have visited Earth. Could the ancient ruins of Sardinia, Italy hold clues to an extraterrestrial past?

"Ancient Aliens" explores the theory that extraterrestrials have visited Earth. Was Egypt home to Earth's earliest extraterrestrial visitors?

"Ancient Aliens" explores the theory that extraterrestrials have visited Earth. Is it possible that our ancestors' "winged monsters" visitors from other worlds?

"Ancient Aliens" explores the theory that extraterrestrials have visited Earth. There are hidden messages that can be found within the works of Leonardo da Vinci.

"Ancient Aliens" explores the theory that extraterrestrials have visited Earth. Seven stone giants stand guard over a Pacific island.

Takes the most well-known mysteries, and challenges everything we know about them. The world's first computer was found on a 2,000-year-old shipwreck.

Takes the most well-known mysteries, and challenges everything we know about them. In 1930, a New York Supreme Court justice disappears.

Takes the most well-known mysteries, and challenges everything we know about them. During WWII, the Nazis stole vast amounts of valuables.

Takes the most well-known mysteries, and challenges everything we know about them. Can new technology finally tell us what happened to the Lost Colony of Roanoke?

Takes the most well-known mysteries, and challenges everything we know about them. Awe-inspiring and mysterious, Egypt's pyramids are ancient world wonders.

Takes the most well-known mysteries, and challenges everything we know about them. Bible's famous flood story: what happened to Noah's Ark?

Takes the most well-known mysteries, and challenges everything we know about them. It's the only unsolved air piracy case in history.

Takes the most well-known mysteries, and challenges everything we know about them. The world's first computer was found on a 2,000-year-old shipwreck.